Russian-language page about the activity of Soviet military aviation in the Egypt in 1968-1973
http://old.hubara-rus.ru/90odrae.html
Check the photo of Be-12, with wings covered by camouflage fabrics!
Three Beriev Be-12 amphibians belongs to "90 одраэ ОН" (90 odrae ON - 90th detached reconnoissance squadron, Special Purpose) in 1968-1970. Other aircraft types - Tu-16R, An-12PP, Il-38.
This squadron combines aircraft from various units of Soviet Navy - not VVS
Be-12 have been transferred from Black Sea Fleet, and returned to USSR in 1970.
More efficient Il-38 replaced them in the submarine' search operations.